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Improved Calibration Of Acoustic Plethysmographic SensorsImproved method of calibration of acoustic plethysmographic sensors involves acoustic-impedance test conditions like those encountered in use. Clamped aluminum tube holds source of sound (hydrophone) inside balloon. Test and reference sensors attached to outside of balloon. Sensors used to measure blood flow, blood pressure, heart rate, breathing sounds, and other vital signs from surfaces of human bodies. Attached to torsos or limbs by straps or adhesives.
Document ID
19930000622
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Zuckerwar, Allan J. (NASA Langley Research Center, Hampton, VA.)
Davis, David C. (NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 16, 2013
Publication Date
October 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 10
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LAR-14977
Accession Number
93B10622
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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